nearly all the sdks are wild pieces of overengineering designed to conform to a design-by-committee api that's native to no language.

half the things you list aren't even part of the sdks, they're part of the collector.

yes, and that's why it's usually better to put the spans where you actually need them instead of depending on monkey patching. still, it's the same whether you use DataDog or Sentry (or OTel).